<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <form action="">
    <input type="text">
    <!-- <label>
      <input type="checkbox">同意
    </label> -->
    <label for="isagree">同意</label>
    <input type="checkbox" id="isagree">
    <select>
      <option value="1">男</option>
      <option value="2">女</option>
    </select>
    <button type="submit">注册</button>
  </form>
</body>
</html>